US4423286B1 - - Google Patents

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Publication number
US4423286B1
US4423286B1 US40051182A US4423286B1 US 4423286 B1 US4423286 B1 US 4423286B1 US 40051182 A US40051182 A US 40051182A US 4423286 B1 US4423286 B1 US 4423286B1
Authority
US
United States
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
Other languages
English (en)
Inventor
A Bergeron Gary
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cal Comp Inc
Original Assignee
Cal Comp Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cal Comp Inc filed Critical Cal Comp Inc
Assigned to TALOS SYSTEMS, INC. reassignment TALOS SYSTEMS, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BERGERON, GARY A.
Priority to US06/400,511 priority Critical patent/US4423286A/en
Priority to DE3315353A priority patent/DE3315353C2/de
Priority to CA000426890A priority patent/CA1195754A/en
Priority to IT48190/83A priority patent/IT1197638B/it
Priority to CH2659/83A priority patent/CH661807A5/it
Priority to AU16283/83A priority patent/AU570206B2/en
Priority to FR8311415A priority patent/FR2532089B1/fr
Priority to JP58126304A priority patent/JPS5924390A/ja
Priority to NL8302567A priority patent/NL8302567A/nl
Priority to GB08319682A priority patent/GB2124389B/en
Publication of US4423286A publication Critical patent/US4423286A/en
Assigned to SANDERS ASSOCIATES, INC. reassignment SANDERS ASSOCIATES, INC. MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DEC. 30, 1983 Assignors: TALOS SYSTEMS, INC.
Priority to AU15064/88A priority patent/AU1506488A/en
Assigned to CALCOMP INC. reassignment CALCOMP INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SANDERS ASSOCIATES, INC.,
Publication of US4423286B1 publication Critical patent/US4423286B1/en
Application granted granted Critical
Assigned to MCG FINANCE CORPORATION reassignment MCG FINANCE CORPORATION SECURITY AGREEMENT Assignors: GTCO CORPORATION
Assigned to FIRST UNION NATIONAL BANK, A CORPORATION OF NORTH CAROLINA reassignment FIRST UNION NATIONAL BANK, A CORPORATION OF NORTH CAROLINA SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GTCO CORPORATION
Assigned to FIRST UNION NATIONAL BANK reassignment FIRST UNION NATIONAL BANK SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GTCO CORPORATION
Assigned to GTCO CORPORATION reassignment GTCO CORPORATION RELEASE OF SECURITY INTEREST Assignors: MCG FINANCE CORPORATION
Anticipated expiration legal-status Critical
Assigned to GTCO CORPORATION reassignment GTCO CORPORATION RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: WACHOVIA BANK, NATIONAL ASSOCIATION, FKA FIRST UNION NATIONAL BANK
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
US06/400,511 1982-07-21 1982-07-21 Apparatus and method for determining the position of a driven coil within a grid of spaced conductors Expired - Lifetime US4423286A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US06/400,511 US4423286A (en) 1982-07-21 1982-07-21 Apparatus and method for determining the position of a driven coil within a grid of spaced conductors
DE3315353A DE3315353C2 (de) 1982-07-21 1983-04-28 Verfahren und Vorrichtung zur Bestimmung der Position einer Übertragungsspule in einem Gitter von mit Abstand angeordneten Leitern
CA000426890A CA1195754A (en) 1982-07-21 1983-04-28 Apparatus and method for determining the position of a driven coil within a grid of spaced conductors
IT48190/83A IT1197638B (it) 1982-07-21 1983-04-29 Metodo e dispositivo per la determinazione della posizione di una bobina mobile internamente ad una griglia di conduttori spaziati
CH2659/83A CH661807A5 (it) 1982-07-21 1983-05-16 Dispositivo per la determinazione della posizione di una bobina trasmittente, mobile internamente ad una griglia di conduttori spaziati, e suo procedimento per detta determinazione.
AU16283/83A AU570206B2 (en) 1982-07-21 1983-06-27 Determining position of coil within conductive grid
FR8311415A FR2532089B1 (fr) 1982-07-21 1983-07-08 Procede et appareil de determination de la position d'une bobine excitee par rapport a une grille conductrice
JP58126304A JPS5924390A (ja) 1982-07-21 1983-07-13 発信コイルの位置を検出する装置
NL8302567A NL8302567A (nl) 1982-07-21 1983-07-18 Werkwijze en inrichting voor het bepalen van de positie van een aangedreven spoel in een raster van op afstand van elkaar geplaatste geleiders.
GB08319682A GB2124389B (en) 1982-07-21 1983-07-21 Determining the position of an energised coil within a grid of spaced conductors
AU15064/88A AU1506488A (en) 1982-07-21 1988-04-21 Determining position of coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/400,511 US4423286A (en) 1982-07-21 1982-07-21 Apparatus and method for determining the position of a driven coil within a grid of spaced conductors

Publications (2)

Publication Number Publication Date
US4423286A US4423286A (en) 1983-12-27
US4423286B1 true US4423286B1 (US06304014-20011016-M00002.png) 1993-05-25

Family

ID=23583902

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/400,511 Expired - Lifetime US4423286A (en) 1982-07-21 1982-07-21 Apparatus and method for determining the position of a driven coil within a grid of spaced conductors

Country Status (10)

Country Link
US (1) US4423286A (US06304014-20011016-M00002.png)
JP (1) JPS5924390A (US06304014-20011016-M00002.png)
AU (2) AU570206B2 (US06304014-20011016-M00002.png)
CA (1) CA1195754A (US06304014-20011016-M00002.png)
CH (1) CH661807A5 (US06304014-20011016-M00002.png)
DE (1) DE3315353C2 (US06304014-20011016-M00002.png)
FR (1) FR2532089B1 (US06304014-20011016-M00002.png)
GB (1) GB2124389B (US06304014-20011016-M00002.png)
IT (1) IT1197638B (US06304014-20011016-M00002.png)
NL (1) NL8302567A (US06304014-20011016-M00002.png)

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524348A (en) * 1983-09-26 1985-06-18 Lefkowitz Leonard R Control interface
FR2567294A1 (fr) * 1984-07-06 1986-01-10 Option Dispositif d'inscription et de numerisation d'un trace par effet capacitif
EP0184534A2 (en) * 1984-10-26 1986-06-11 Scriptel Holding, Inc. Electrographic coordinate input system and method
US4705919A (en) * 1985-02-21 1987-11-10 Dhawan Satish K Electrostatic pattern-coupled digitizer
EP0249835A2 (en) * 1986-06-18 1987-12-23 OMRON Corporation Coordinate inputting system with provision for erroneous input detection
US4734546A (en) * 1987-03-16 1988-03-29 Calcomp, Inc. Digitizer system with loopback conductor grid
US4771138A (en) * 1985-02-21 1988-09-13 Dhawan Satish K Electrostatic pattern-coupled digitizer
US4928256A (en) * 1988-03-16 1990-05-22 Ametek, Inc. Digitizer for position sensing
US5045645A (en) * 1990-05-22 1991-09-03 Calcomp Inc. Digitizer system with passive pointer
US5124509A (en) * 1991-01-15 1992-06-23 Calcomp, Inc. Digitizer with capacitive and inductive coupling
US5136125A (en) * 1991-05-06 1992-08-04 International Business Machines Corporation Sensor grid for an electromagnetic digitizer tablet
US5194699A (en) * 1990-04-03 1993-03-16 Summagraphics Corporation Digitizer tablet with fixed incremented grid portions
US5276282A (en) * 1992-04-15 1994-01-04 International Business Machines Optimal scan sequence for RF magnetic digitizers
US5345044A (en) * 1991-04-29 1994-09-06 Calcomp, Inc. Cordless digitizer using electromagnetic locating signals
US5648642A (en) * 1992-06-08 1997-07-15 Synaptics, Incorporated Object position detector
US5854625A (en) * 1996-11-06 1998-12-29 Synaptics, Incorporated Force sensing touchpad
US5861583A (en) * 1992-06-08 1999-01-19 Synaptics, Incorporated Object position detector
US5880411A (en) * 1992-06-08 1999-03-09 Synaptics, Incorporated Object position detector with edge motion feature and gesture recognition
US5889236A (en) * 1992-06-08 1999-03-30 Synaptics Incorporated Pressure sensitive scrollbar feature
US5994651A (en) * 1994-02-04 1999-11-30 Hyundai Electronics America High voltage stylus for portable computers
US6028271A (en) * 1992-06-08 2000-02-22 Synaptics, Inc. Object position detector with edge motion feature and gesture recognition
US6239389B1 (en) 1992-06-08 2001-05-29 Synaptics, Inc. Object position detection system and method
US6249234B1 (en) 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
US20010006369A1 (en) * 1998-12-24 2001-07-05 Ely David T.E. Position sensor
US6304014B1 (en) 1997-10-02 2001-10-16 Synaptics (Uk) Limited Motor control system
WO2001082049A1 (en) * 2000-04-26 2001-11-01 Sverre Egil Larsen Fingertip controlled computer mouse
US6377248B1 (en) 1999-09-30 2002-04-23 Tony S. Partow High voltage stylus for portable computer
US6380929B1 (en) 1996-09-20 2002-04-30 Synaptics, Incorporated Pen drawing computer input device
US6396005B2 (en) 1998-06-15 2002-05-28 Rodgers Technology Center, Inc. Method and apparatus for diminishing grid complexity in a tablet
US6522128B1 (en) 1997-10-15 2003-02-18 Synaptics (Uk) Limited Position sensor having compact arrangement of coils
US6534970B1 (en) 1998-05-22 2003-03-18 Synaptics (Uk) Limited Rotary position sensor and transducer for use therein
US20030062889A1 (en) * 1996-12-12 2003-04-03 Synaptics (Uk) Limited Position detector
US6647145B1 (en) 1997-01-29 2003-11-11 Co-Operwrite Limited Means for inputting characters or commands into a computer
US6705511B1 (en) 1997-05-28 2004-03-16 Synaptics (Uk) Limited Transducer and method of manufacture
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
US6888538B2 (en) 1994-05-14 2005-05-03 Synaptics (Uk) Limited Position sensor
US20050133279A1 (en) * 2003-12-17 2005-06-23 Microsoft Corporation Electromagnetic digitizer sensor array
US7133793B2 (en) 2003-07-24 2006-11-07 Synaptics (Uk) Limited Magnetic calibration array
US7406393B2 (en) 2002-03-05 2008-07-29 Synaptics (Uk) Limited Position sensor
US7511705B2 (en) 2001-05-21 2009-03-31 Synaptics (Uk) Limited Position sensor
US20100156831A1 (en) * 2008-12-18 2010-06-24 Dana Gene Doubrava Dual Pen Interactive Whiteboard System
US7812268B2 (en) 2003-08-26 2010-10-12 Synaptics (Uk) Limited Digitizer system
US7907130B2 (en) 2002-06-05 2011-03-15 Synaptics (Uk) Limited Signal transfer method and apparatus
US8570028B2 (en) 2007-05-10 2013-10-29 Cambridge Integrated Circuits Limited Transducer for a position sensor
US9410791B2 (en) 2010-12-24 2016-08-09 Cambridge Integrated Circuits Limited Position sensing transducer
US9470505B2 (en) 2012-06-13 2016-10-18 Cambridge Integrated Circuits Limited Position sensing transducer
US20170205907A1 (en) * 2016-01-19 2017-07-20 Samsung Display Co., Ltd. Electronic pen sensing panel, electronic pen sensing device, and display device including the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139822A (ja) * 1984-12-13 1986-06-27 Seiko Instr & Electronics Ltd ワイヤレス電磁結合型座標入力装置
JP2766506B2 (ja) * 1989-04-10 1998-06-18 株式会社マツダヒューテック 車両位置表示装置
JP2022072810A (ja) 2020-10-30 2022-05-17 ヤマハ発動機株式会社 クラッチ装置およびそれを備える鞍乗型車両

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466646A (en) * 1965-06-29 1969-09-09 Rca Corp Analog position to binary number translator
US3461454A (en) * 1968-06-06 1969-08-12 Ibm Position identifying device
US3832693A (en) * 1971-08-29 1974-08-27 Fujitsu Ltd System for reading out the coordinates of information displayed on a matrix type display device
JPS5319380B2 (US06304014-20011016-M00002.png) * 1972-11-20 1978-06-20
US4029899A (en) * 1974-11-20 1977-06-14 National Research Development Corporation Position indicator
JPS5913074B2 (ja) * 1976-06-30 1984-03-27 セイコーインスツルメンツ株式会社 座標読取装置
US4210775A (en) * 1978-07-03 1980-07-01 Talos Systems, Inc. Method and apparatus for digitizing the location of an instrument relative to a grid
US4185165A (en) * 1978-07-03 1980-01-22 Talos Systems, Inc. Low noise system and method for sequentially sensing induced signals in digitizer grid conductors
US4243843A (en) * 1979-02-22 1981-01-06 Summagraphics Corporation Coarse position digitizer
US4260852A (en) * 1979-05-24 1981-04-07 Talos Systems, Inc. Up/down scanning digitizing apparatus and method

Cited By (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524348A (en) * 1983-09-26 1985-06-18 Lefkowitz Leonard R Control interface
FR2567294A1 (fr) * 1984-07-06 1986-01-10 Option Dispositif d'inscription et de numerisation d'un trace par effet capacitif
EP0184534A2 (en) * 1984-10-26 1986-06-11 Scriptel Holding, Inc. Electrographic coordinate input system and method
EP0184534A3 (en) * 1984-10-26 1989-08-30 Scriptel Corporation Electrographic coordinate input system and method
US4771138A (en) * 1985-02-21 1988-09-13 Dhawan Satish K Electrostatic pattern-coupled digitizer
US4705919A (en) * 1985-02-21 1987-11-10 Dhawan Satish K Electrostatic pattern-coupled digitizer
EP0249835A2 (en) * 1986-06-18 1987-12-23 OMRON Corporation Coordinate inputting system with provision for erroneous input detection
EP0249835A3 (en) * 1986-06-18 1988-11-17 Omron Tateisi Electronics Co. Coordinate inputting system with provision for erroneous input detection
US4734546A (en) * 1987-03-16 1988-03-29 Calcomp, Inc. Digitizer system with loopback conductor grid
US4928256A (en) * 1988-03-16 1990-05-22 Ametek, Inc. Digitizer for position sensing
US5194699A (en) * 1990-04-03 1993-03-16 Summagraphics Corporation Digitizer tablet with fixed incremented grid portions
US5045645A (en) * 1990-05-22 1991-09-03 Calcomp Inc. Digitizer system with passive pointer
US5124509A (en) * 1991-01-15 1992-06-23 Calcomp, Inc. Digitizer with capacitive and inductive coupling
US5345044A (en) * 1991-04-29 1994-09-06 Calcomp, Inc. Cordless digitizer using electromagnetic locating signals
US5136125A (en) * 1991-05-06 1992-08-04 International Business Machines Corporation Sensor grid for an electromagnetic digitizer tablet
US5276282A (en) * 1992-04-15 1994-01-04 International Business Machines Optimal scan sequence for RF magnetic digitizers
US5648642A (en) * 1992-06-08 1997-07-15 Synaptics, Incorporated Object position detector
US20040178997A1 (en) * 1992-06-08 2004-09-16 Synaptics, Inc., A California Corporation Object position detector with edge motion feature and gesture recognition
US7109978B2 (en) 1992-06-08 2006-09-19 Synaptics, Inc. Object position detector with edge motion feature and gesture recognition
US5861583A (en) * 1992-06-08 1999-01-19 Synaptics, Incorporated Object position detector
US5880411A (en) * 1992-06-08 1999-03-09 Synaptics, Incorporated Object position detector with edge motion feature and gesture recognition
US5889236A (en) * 1992-06-08 1999-03-30 Synaptics Incorporated Pressure sensitive scrollbar feature
US6414671B1 (en) 1992-06-08 2002-07-02 Synaptics Incorporated Object position detector with edge motion feature and gesture recognition
US6028271A (en) * 1992-06-08 2000-02-22 Synaptics, Inc. Object position detector with edge motion feature and gesture recognition
US6239389B1 (en) 1992-06-08 2001-05-29 Synaptics, Inc. Object position detection system and method
US6750852B2 (en) 1992-06-08 2004-06-15 Synaptics, Inc. Object position detector with edge motion feature and gesture recognition
US6380931B1 (en) 1992-06-08 2002-04-30 Synaptics Incorporated Object position detector with edge motion feature and gesture recognition
US6610936B2 (en) 1992-06-08 2003-08-26 Synaptics, Inc. Object position detector with edge motion feature and gesture recognition
US5841078A (en) * 1992-06-08 1998-11-24 Synaptics, Inc. Object position detector
US5994651A (en) * 1994-02-04 1999-11-30 Hyundai Electronics America High voltage stylus for portable computers
US6888538B2 (en) 1994-05-14 2005-05-03 Synaptics (Uk) Limited Position sensor
US7030782B2 (en) 1994-05-14 2006-04-18 Synaptics (Uk) Limited Position detector
US20040169594A1 (en) * 1994-05-14 2004-09-02 Synaptics (Uk) Limited Position detector
US6249234B1 (en) 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
US6489899B1 (en) 1994-05-14 2002-12-03 Synaptics (Uk) Limited Position detector
US6980134B2 (en) 1996-06-28 2005-12-27 Synaptics (Uk) Limited Signal processing apparatus and method
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
US6380929B1 (en) 1996-09-20 2002-04-30 Synaptics, Incorporated Pen drawing computer input device
US5854625A (en) * 1996-11-06 1998-12-29 Synaptics, Incorporated Force sensing touchpad
US20030062889A1 (en) * 1996-12-12 2003-04-03 Synaptics (Uk) Limited Position detector
US6647145B1 (en) 1997-01-29 2003-11-11 Co-Operwrite Limited Means for inputting characters or commands into a computer
US6705511B1 (en) 1997-05-28 2004-03-16 Synaptics (Uk) Limited Transducer and method of manufacture
US6304014B1 (en) 1997-10-02 2001-10-16 Synaptics (Uk) Limited Motor control system
US6522128B1 (en) 1997-10-15 2003-02-18 Synaptics (Uk) Limited Position sensor having compact arrangement of coils
US6534970B1 (en) 1998-05-22 2003-03-18 Synaptics (Uk) Limited Rotary position sensor and transducer for use therein
US6396005B2 (en) 1998-06-15 2002-05-28 Rodgers Technology Center, Inc. Method and apparatus for diminishing grid complexity in a tablet
US20010006369A1 (en) * 1998-12-24 2001-07-05 Ely David T.E. Position sensor
US7019672B2 (en) 1998-12-24 2006-03-28 Synaptics (Uk) Limited Position sensor
US6377248B1 (en) 1999-09-30 2002-04-23 Tony S. Partow High voltage stylus for portable computer
WO2001082049A1 (en) * 2000-04-26 2001-11-01 Sverre Egil Larsen Fingertip controlled computer mouse
US7511705B2 (en) 2001-05-21 2009-03-31 Synaptics (Uk) Limited Position sensor
US8243033B2 (en) 2001-05-21 2012-08-14 Synaptics (Uk) Limited Position sensor
US7406393B2 (en) 2002-03-05 2008-07-29 Synaptics (Uk) Limited Position sensor
US7907130B2 (en) 2002-06-05 2011-03-15 Synaptics (Uk) Limited Signal transfer method and apparatus
US7133793B2 (en) 2003-07-24 2006-11-07 Synaptics (Uk) Limited Magnetic calibration array
US8022317B2 (en) 2003-08-26 2011-09-20 Synaptics (Uk) Limited Digitizer system
US7812268B2 (en) 2003-08-26 2010-10-12 Synaptics (Uk) Limited Digitizer system
US20050133279A1 (en) * 2003-12-17 2005-06-23 Microsoft Corporation Electromagnetic digitizer sensor array
US7265303B2 (en) 2003-12-17 2007-09-04 Microsoft Corporation Electromagnetic digitizer sensor array
US8570028B2 (en) 2007-05-10 2013-10-29 Cambridge Integrated Circuits Limited Transducer for a position sensor
US20100156831A1 (en) * 2008-12-18 2010-06-24 Dana Gene Doubrava Dual Pen Interactive Whiteboard System
US8411053B2 (en) 2008-12-18 2013-04-02 Einstruction Corporation Dual pen interactive whiteboard system
US9410791B2 (en) 2010-12-24 2016-08-09 Cambridge Integrated Circuits Limited Position sensing transducer
US9470505B2 (en) 2012-06-13 2016-10-18 Cambridge Integrated Circuits Limited Position sensing transducer
US20170205907A1 (en) * 2016-01-19 2017-07-20 Samsung Display Co., Ltd. Electronic pen sensing panel, electronic pen sensing device, and display device including the same
KR20170087094A (ko) * 2016-01-19 2017-07-28 삼성디스플레이 주식회사 전자펜 센싱 장치 및 이를 포함하는 표시 장치
US10139928B2 (en) * 2016-01-19 2018-11-27 Samsung Display Co., Ltd. Electronic pen sensing panel, electronic pen sensing device, and display device including the same

Also Published As

Publication number Publication date
GB8319682D0 (en) 1983-08-24
AU1506488A (en) 1988-08-11
AU570206B2 (en) 1988-03-10
JPS5924390A (ja) 1984-02-08
CH661807A5 (it) 1987-08-14
CA1195754A (en) 1985-10-22
US4423286A (en) 1983-12-27
FR2532089B1 (fr) 1988-02-19
IT1197638B (it) 1988-12-06
GB2124389B (en) 1985-09-11
AU1628383A (en) 1984-01-26
NL8302567A (nl) 1984-02-16
DE3315353C2 (de) 1994-04-21
DE3315353A1 (de) 1984-01-26
GB2124389A (en) 1984-02-15
JPH0425569B2 (US06304014-20011016-M00002.png) 1992-05-01
FR2532089A1 (fr) 1984-02-24

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Legal Events

Date Code Title Description
AS Assignment

Owner name: TALOS SYSTEMS, INC., 7419 EAST HELM DR., SCOTTSDAL

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BERGERON, GARY A.;REEL/FRAME:004029/0004

Effective date: 19820716

STCF Information on status: patent grant

Free format text: PATENTED CASE

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Owner name: SANDERS ASSOCIATES, INC.

Free format text: MERGER;ASSIGNOR:TALOS SYSTEMS, INC.;REEL/FRAME:004215/0389

Effective date: 19831229

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AS Assignment

Owner name: CALCOMP INC., 2411 WEST LA PALMA AVENUE, ANAHEIM,

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SANDERS ASSOCIATES, INC.,;REEL/FRAME:004888/0679

Effective date: 19880429

Owner name: CALCOMP INC., CALIFORNIA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SANDERS ASSOCIATES, INC.,;REEL/FRAME:004888/0679

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